Alinco Dr-620t/e Vhf/uhf Fm Transceiver Instruction Manual

							VHF/UHF FM TRANSCEIVER
DR-620T/E
Instruction Manual
Thank you for purchasing your new Alinco transceiver.
This instruction manual contains important safety and operating instructions. Please read this
manual carefully before using the product and keep it for future reference.
Printed in Japan
Copyright Alinco,Inc. 2002 PS0410
ALINCO,INC.
Head Office: Shin-Dai building 9th Floor
2-6, 1-Chome, Dojimahama, Kita-ku,
Osaka 530-0004, JAPAN
Phone:+81-6-4797-2136 Fax:+81-6-4797-2157
E-mail:
[email protected] 
						

							NOTICE / Compliance Information Statement
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance
with the instruction manual, may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio
or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
Tested to Comply
With FCC Standards
FOR HOME OR OFFICE USE
Information in this document is subject to change without notice or obligation. All brand names and trademarks are
the property of their respective owners. Alinco cannot be liable for pictorial or typographical inaccuracies. Some
parts, options and/or accessories are unavailable in certain areas. Changes or modifications not expressly approved by
the party responsible for compliance could void the user's authority to operate the equipment.
VHF/UHF FM Transceiver DR-620T/E
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device must accept any interference received, including inter-
ference that may cause undesired operation.
U.S. Representative:
ATOC Amateur Distributing LLC, 23 South High St. Covington, OH 45318 USA Ph. 937-473-2840
Conformity Information
In case the unit you have purchased is marked with a CE symbol, a copy of relative conformity certificate or document
can be reviewed at http://www.alinco.com/usa.html.
Copyright © 2002 All rights reserved. No part of this document may be reproduced, copied, translated or transcribed
in any form or by any means without the prior written permission of Alinco. Inc., Osaka, Japan. English Edition
Printed in Japan. 
						

							1
Contents
Before operating the transceiver ............. 3
Attention ................................................................ 3
Introduction ............................................... 3
New and Innovative Features ................... 4
Standard Accessories .............................. 5
Initial Installation ....................................... 6
For a base station set up ....................................... 6
For a mobile station set up .................................... 7
Location .................................................... 7
Installing a Mobile Antenna ....................... 7
Installing the Transceiver .......................... 7
Front Panel ............................................................ 8
External power control function ............................. 9
Power supply voltage display function ................. 10
Part Names and Functions ..................... 11
Front Panel ........................................................... 11
Rear Panel ........................................................... 12
Display ................................................................. 13
Microphone EMS-53 (Standard) .......................... 14
Basic Operations ..................................... 15
Turning the unit on and off ................................... 15
Switching the MAIN band .................................... 15
Audio Volume level setting .................................. 15
Squelch level setting ............................................ 15
Squelch level setting on the SUB band .. 15
VFO mode ........................................................... 16
Changing frequency by channel step ...... 16
Changing frequency by 1 MHz step ........ 16
Setting the channel step ...................................... 17
Shift Direction and Offset frequency setting ........ 18
Memory Mode ...................................................... 19
Recalling a memory channel ................... 19
How to program memory channel (s) ...... 20
Memory channel deleting .................................... 21
Programmable data in the memory channel ...21
Channel name (Alphanumeric) registration function .....22
CALL mode .......................................................... 23
To recall a CALL channel ..................................... 23
To receive signals ................................................ 23
Monitor function ................................................... 24
Reverse function .................................................. 24
To transmit ........................................................... 25
Selecting transmission power ................. 25
Parameter Setting Mode ......................... 26
A list of the parameters ........................................ 26
To use the parameter setting mode ..................... 27
Channel Step setting ........................................... 28
Scan Type ............................................................ 28
Beep Sound ......................................................... 28
Time-Out-Timer (TOT) ......................................... 29
TOT Penalty ......................................................... 29
Setting the TOT penalty time .................. 29
APO-Auto Power OFF ......................................... 30
Tone-Burst Frequency ......................................... 30
Clock shift ............................................................ 30
Bell ....................................................................... 31
Busy-Channel-Lock-Out (BCLO) ......................... 31
Theft Alarm .......................................................... 31
Display Illumination color setting ......................... 32
Dimmer ................................................................ 32
Call sign setting (In packet operation) ................. 32
Transmission speed setting (In packet operation) ...33
Beacon interval setting
(In geolocating communication/A.P.R.S) ............. 33
Useful functions ...................................... 34
Reception band switching .................................... 34
V-V/U-U simultaneous reception ......................... 34
Single-band mode ............................................... 35
VFO Auto-program setting function ..................... 35
SCANNING FUNCTION ...................................... 36
•VFO Scan .............................................. 36
•Memory Scan ........................................ 37
•Skip-channel setting .............................. 37
•Program Scan ........................................ 38
•Tone Scan .............................................. 38
•DCS scan .............................................. 39
KEY-LOCK FUNCTION ....................................... 39
TONE BURST ...................................................... 39
Narrow-band mode .............................................. 40
AM receiver mode ............................................... 40 
						

							2
Contents
Selective Communication ...................... 41
Tone-squelch (CTCSS) and DCS ........................ 41
DET setting ............................................. 42
Digital voice communication (DR-620T only) ..43
Special Functions ................................... 44
THEFT ALARM .................................................... 44
To connect, set and operate ................... 44
How the alarm operates .......................... 45
Setting alarm starting time ...................... 46
Cable Clone ......................................................... 47
Connection .............................................. 47
Setting on the Slave side ........................ 47
Setting on the Master side ...................... 48
Packet Communication ........................................ 49
When using EJ-50U ................................ 49
Packet Mode Setting ............................... 50
APRS ................................................................... 51
APRS Settings ........................................ 51
APRS operation ...................................... 52
TNC Clone .............................................. 53
Remote Control Operation (EMS-57 only) ........... 54
List of Remote Control Keys ................... 54
Entering a frequency directly .................. 55
Entry method depending on tuning step ...55
Maintenance / Reference ........................ 56
Reset ................................................................... 56
Factory Default Settings .......................... 56
Troubleshooting ................................................... 57
Optional accessories ........................................... 58
Transmitter Block Diagram .................................. 59
Specification ........................................................ 60 
						

							Attention
• Do not remove the case or touch the interior components.
Tampering can cause equipment trouble.
• Do not use or keep the transceiver where it is exposed to direct sunlight, dusty
places, or near sources of heat.
• Keep the transceiver away from TVs or other equip-
ment when it interferes with reception.
• When transmitting for long periods of time at high
power, the transceiver might overheat.
• Turn the power off immediately if the transceiver
emits smoke or strange odors. Ensure the transceiver
is safe, then bring it to the nearest Alinco service
center.
Notice to California resident users
The Safe Drinking Water and Toxic Enforcement Act of 1986 of the State of California determines that lead and cad-
mium (used as raw materials in some of the components in this product) are considered carcinogens and reproductive
toxicants. Although in the normal use of our products the risk of direct contact with such materials at hazardous level is
minimal, please be advised that:
(1) You should wash your hands after having contact with PVC (polyvinyl chloride) coated materials such as DC cables.
PVC may contain lead or lead compounds.
(2) Wash your hands after having contact with soldered parts. Solder used for the assembly of our products may contain
lead or lead compounds.
(3) Do not directly touch any liquid that may leak from the Nickel Cadmium rechargeable cells. The liquid may contain
cadmium.
(4) Avoid oral contact with any part of our products. If this should occur, rinse the mouth with plenty of water. Consult a
doctor if you are unsure if the exposure may have reached hazardous levels.
(5) Keep our products away from the reach of children. Our products may contain small parts that may cause suffocation,
or other consequences, if swallowed.
(6) Our products are designed for two-way communication purposes only. Any eventual consequences arising from
hazardous contacts with defined material(s) caused by misuse of our products are considered to be the users fault.
Please read the instruction manual of this product carefully before use.
(7) Please dispose of or recycle our products properly in accord with your local regulation(s).
(8) The user assumes the risk for exposure to chemicals/materials at hazardous levels caused by the use of peripherals or
accessories made by third-parties and used in conjunction with our products.
Introduction
Thank you very much for purchasing this excellent Alinco transceiver. Our products
are ranked among the f inest in the world. This radio has been manufactured with
state of the art technology and it has been tested carefully at our factory. It is de-
signed to operate to your satisfaction for many years under normal use.
PLEASE READ THIS MANUAL COMPLETELY TO LEARN ALL THE FUNC-
TIONS THE PRODUCT OFFERS. WE MADE EVERY ATTEMPT TO WRITE
THIS MANUAL TO BE AS COMPREHENSIVE AND EASY TO UNDERSTAND
AS POSSIBLE. IT IS IMPORTANT TO NOTE THAT SOME OF THE OPERA-
TIONS MAY BE EXPLAINED IN RELATION TO INFORMATION IN PREVI-
OUS CHAPTERS.  BY READING JUST ONE PART OF THE MANUAL, YOU
RISK NOT UNDERSTANDING THE COMPLETE EXPLANATION OF THE
FUNCTION.
3
Before operating the transceiver 
						

							4
New and Innovative Features
Your new radio features some of the most advanced functions and reliable engineering
available anywhere. The ALINCO design philosophy is focused on developing innova-
tive usable features, including the following:
• A large, color-selectable display panel
Very clear display of frequency, memory name etc. ensure convenient operation.
• Excellent frequency stability
By using a temperature compensated crystal oscillator (TCXO), deviation less than
+/- 2.5ppm is realized.
• V-V/U-U function
Simultaneous reception of 2 signals within the same band is possible (Excluding the
FM broadcast band).
• High-quality materials are used throughout the product and a huge heat sink around
the chassis ensures stable and durable operation.
• AM Air-band reception capability (T models only)
• 200 fully programmable memory channels with alphanumeric memory channel labels
• CTCSS, DCS and 5 different Tone-Bursts are standard for selective calling and re-
peater access worldwide.
• Applicable for APRS
®/Packet communication (With the optional EJ-50U installed)*
• Theft Alarm feature
• Auto-Programming VFO for easier repeater access
• Cable-Clone function
• Power supply voltage display function
• Narrow-FM mode
• Microphone remote control function (EMS-57 microphone may be an option depend-
ing upon the version you purchased.)
• Front-Control unit separation

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							5
Standard Accessories
Carefully unpack to make sure the following items are found in the package in addition to this manual:
• Transceiver
• Mobile mounting bracket. (FM0078Z) • DC power cable with fuse holder  (UA0038)
•ACC cable (UX1290A)
• Theft Alarm stickers 2pcs. (PR0454)
• Instruction manual (this manual)
•
Warranty certificate (T version only) (PH0009A)
• EJ-50U manual & disc (with TNC version only)• Hardware kit for bracket • Microphone EMS-53 or EMS-57 (with
DTMF keypad)
Tapping screws
(M5*20mm) 4pcs. (AJ0003) Black screws (M4*8mm)
4pcs. (AE0012)
 Screws (M5*20mm)
4pcs. (AA0013)
Hexagonal nut  (M5) 4pcs.
(AN0002)
Small (spanner) wrench.
(FM0079) Washer (AZ0010) 
S-washer (AZ0009)
Spare fuses (a pair)
2pcs. (EF0005)
The standard accessories may vary slightly depending on the version you have purchased. Please contact
your local authorize
d Alinco dealer should you have any questions. ALINCO and authorized dealers are not responsible for
any typographical errors there may be in this manual. Standard accessories may change without notice.
Warranty Policy:
Please refer to any enclosed warranty information or contact your authorized Alinco dealer / dis-
tributor for the warranty policy. 
						

							6
Initial Installation
Connect the microphone to the front panel of the transceiver.
Connect antenna port to a 50 ohm antenna that covers the 2 m/70 cm bands, using good quality
50 ohm coaxial cable.
Microphone
connector
Antenna
External speaker
(if used) Microphone
rear panel
For a base station set up
The Transceiver requires a 12-13.8VDC negative grounded power source.
Use a regulated power supply capable of providing continuous current of 12A or more.
Power supplies that do not meet those specifications may cause malfunction and/or damage to the
radio and will void the warranty. Alinco offers excellent communication-grade power supplies as
optional accessories. Please contact your local authorized Alinco dealer.
DC
power supply
DC power cable Black leadRed lead 
						

							7
Initial Installation
For a mobile station set up
Location
The transceiver may be installed in any position in your car, where the controls and microphone are
easily accessible and it does not interfere with the safe operation of the vehicle or the performance
of the set. If your vehicle is equipped with air bags, be certain your radio will not interfere with
their deployment. If you are uncertain about where to mount the unit, contact your vehicles manu-
facturer. Please refer the next page for positioning the front control unit.
Installing a Mobile Antenna
Use a 50 ohm coaxial cable to connect the antenna. Mobile antennas require an appropriate mount-
ing base for proper installation and operation. For more information, see the documentation for
your antenna.
Installing the Transceiver
See the f igures below.
C
B
BC
IMPORTANT: After installing your antenna, ensure that you have the best possible SWR reading.
High RF environments can cause severe damage to your unit. Ensure that you are not
in a high RF environment when operating the transceiver.